A Bandwidth Request Mechanism for QoS Enhancement in Mobile WiMAX Networks

Provided by: International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering (IJAREEIE)
Topic: Security
Format: PDF
The IEEE 802.16e standard is designed to support high bandwidth for the mobile wireless metropolitan area network. In order to support Quality of Service (QoS) for multimedia applications, various bandwidth request and scheduling mechanisms are suggested in WiMAX, in which a Subscriber Station (SS) sends bandwidth request messages to a Base Station (BS) and the BS grants the bandwidth according to the available radio resources. In this paper a bandwidth request mechanism for ertPS, rtPS and nrtPS is proposed to enhance the QoS performance of WiMAX network.

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